CN212703610U

CN212703610U - Solid waste pyrolysis treatment device

Info

Publication number: CN212703610U
Application number: CN202020520620.9U
Authority: CN
Inventors: 孙成
Original assignee: Nanjing Shengbin Environmental Research Institute Co ltd
Current assignee: Nanjing Shengbin Environmental Research Institute Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-03-16
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a solid waste pyrolysis treatment device, including elementary iron content waste screening conveyor, the all-round reducing mechanism of second grade, stoving pyrolysis device, dust-laden gas separation device and waste disposal chamber, elementary iron content waste screening conveyor includes conveyer belt, initiative pivot, driven spindle, conveying motor, magnetic adsorption axle, mounting and electrostatic generator. The utility model relates to a solid waste handles technical field, specifically provide one kind through preliminary magnetism inhale and select iron content debris, avoid the iron article to produce the damage to reducing mechanism when smashing in the time of the recovery resources, and smash through the multilayer and make the granule of discarded object diminish, and keep the high temperature sealed environment as far as possible, improve the treatment effeciency of discarded object widely, the dust gas that produces in addition only outwards discharges clean gas under cyclone separation effect, can not cause the solid waste pyrolysis treatment device of influence to the environment.

Description

Solid waste pyrolysis treatment device

Technical Field

The utility model relates to a solid waste handles technical field, specifically indicates a solid waste pyrolysis treatment device.

Background

Due to the increase of population and economy, the total amount of energy consumption is continuously increased, and the problems of environmental pollution, climate change, energy shortage and the like, which greatly affect the normal life of human beings, in order to solve the problems of energy shortage and environmental deterioration, all countries in the world are actively searching for alternative new energy sources, such as solar energy, wind energy, hydroelectric power generation, nuclear energy, biomass energy, ocean energy, geothermal energy, hydrogen energy and the like, wherein hydrogen energy is considered as the cleanest energy source, has very high energy, the combustion product is water, and has no pollution, but hydrogen belongs to secondary energy sources, and needs to be prepared by using other raw materials, and biomass and organic waste are considered as hydrogen production raw materials with the greatest development prospect.

Carry out pyrolysis treatment to solid waste, can make the biomass energy obtain the wide utilization, and realize the innocent treatment of rubbish, be expected to solve the dual problem that china's energy and environment exist, however, current pyrolysis device often has following some problems in the pyrolysis process to solid waste, firstly, solid waste is of a great variety, the difficult softening schizolysis of some great solid waste of particle size in the pyrolysis process, can increase the required energy consumption of pyrolysis, make the cost to solid waste pyrolysis treatment improve greatly, moreover, some available resources exist but be difficult for picking up in solid waste, cause the wasting of resources, in addition there is gaseous pollutants to discharge easily when handling the discarded object, the polluted environment.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned current difficult problem, the utility model provides a separate out iron content debris through preliminary magnetism, avoid the iron article to produce the damage to reducing mechanism when smashing in the time of the recovery resources to smash through the multilayer and make the granule of discarded object diminish, and keep the high temperature sealed environment as far as possible, improve the treatment effeciency of discarded object widely, the dust gas that produces in addition only outwards discharges clean gas under cyclone separation effect, can not cause the solid waste pyrolysis treatment device of influence to the environment.

The utility model adopts the following technical scheme: the utility model relates to a solid waste pyrolysis treatment device, which comprises a primary iron-containing waste screening and conveying device, a secondary all-round crushing device, a drying and pyrolyzing device, a dust-containing gas separating device and a waste treatment cavity, wherein the waste treatment cavity is a hollow cavity; the primary iron-containing waste screening and conveying device comprises a conveying belt, a driving rotating shaft, a driven rotating shaft, a conveying motor, a magnetic adsorption shaft, a fixing piece and an electrostatic generator, wherein the conveying belt is rotatably sleeved on the driving rotating shaft and the driven rotating shaft, the fixing piece is symmetrically arranged on two sides of the conveying belt, an output shaft of the conveying motor is arranged at the center of the driving rotating shaft, the magnetic adsorption shaft is arranged between two opposite walls of the fixing piece, an adsorption net is rotatably sleeved outside the magnetic adsorption shaft, the electrostatic generator is arranged on the fixing piece, a generating end of the electrostatic generator is arranged on the magnetic adsorption shaft, and an adsorption gap is formed between the bottom of the magnetic adsorption shaft and the conveying belt; the all-round reducing mechanism of second grade is including smashing motor, initiative crushing gear, first driven crushing gear, the driven crushing gear of second, first crushing pivot, the crushing pivot of second and smashing the cutting axle, waste treatment chamber top one side is equipped with the feed inlet of infundibulate below the discharge gate of conveyer belt, be equipped with the cutting fixed plate in the waste treatment chamber, first crushing pivot and the rotatable top of locating waste treatment chamber of second smash the pivot and between the cutting fixed plate, first driven crushing gear and the driven crushing gear of second overlap respectively and locate first crushing pivot and the crushing pivot of second, crushing motor locates on the waste treatment chamber, initiative crushing gear is rotatable to be located on the top of waste treatment chamber and locates between first driven crushing gear and the driven crushing gear of second, initiative crushing gear, second crushing gear is rotatory, The surfaces of the first driven crushing gear and the second driven crushing gear are provided with gear teeth, the driving crushing gear is respectively meshed with the first driven crushing gear and the second driven crushing gear, the crushing cutting shaft is arranged perpendicular to the first crushing rotating shaft, the crushing cutting shafts are uniformly arranged on the first crushing rotating shaft and the second crushing rotating shaft, and the cutting fixing plate is uniformly provided with through downward sliding through holes; the drying and pyrolyzing device comprises a pressure induction type opening and closing door, a high-temperature heating assembly, a drying chamber and a high-temperature heating chamber, wherein the pressure induction type opening and closing door is arranged below a cutting fixed plate, the drying chamber is arranged between the cutting fixed plate and the pressure induction type opening and closing door, the high-temperature heating chamber is arranged below the drying chamber, the high-temperature heating chamber is arranged between the pressure induction type opening and closing door and the bottom wall of a waste treatment cavity, the high-temperature heating assembly is arranged on the inner wall of the high-temperature heating chamber, the pressure induction type opening and closing door comprises a first opening and closing door, a second opening and closing door, an elastic compression piece, a pressure sensor, a controller and an electromagnet, one end of the first opening and closing door and one end of the second opening and closing door are respectively hinged on the side wall of the waste treatment cavity, the electromagnet is arranged on the other side of the first opening and closing door, an iron block is arranged on the other side, the pressure sensor is arranged in the first opening and closing door and the second opening and closing door, the elastic compression pieces are respectively arranged between the bottom of the first opening and closing door and the side wall of the high-temperature heating chamber and between the bottom of the second opening and closing door and the opposite side wall of the high-temperature heating chamber, the controller is arranged on the outer wall of the high-temperature heating chamber and is connected with the pressure sensor and the electromagnet, the electromagnet is electrically connected with the pressure sensor, the waste liquid collecting cavity is arranged below the high-temperature heating chamber, and a filter screen is arranged between the high-temperature heating chamber and the waste liquid collecting cavity; the dust-containing gas separation device comprises a mixed air inlet pipe, a separator body, a cyclone component, a dust exhaust pipe and an exhaust pipe, wherein the separator body is arranged on one side of a high-temperature heating chamber, the mixed air inlet pipe and the exhaust pipe are respectively communicated with the upper side and the lower side of the separator body, the other side of the mixed air inlet pipe and the exhaust pipe is communicated with the high-temperature heating chamber, the separator body is a hollow cavity with the upper end being a cylinder and the lower end being a cone, the cyclone component is arranged in the separator body, and the exhaust pipe is communicated with the cyclone component and is arranged at the.

Furthermore, a high-temperature gas exhaust pipe is communicated between the high-temperature heating chamber and the drying chamber, a one-way valve I is arranged in the high-temperature gas exhaust pipe, and the one-way valve I enables the high-temperature heating chamber to intake air to the drying chamber in a one-way mode.

Furthermore, a second check valve and a third check valve are respectively arranged on the mixed air inlet pipe and the dust exhaust pipe, so that the mixed air inlet pipe can only supply air into the separator body, and the dust exhaust pipe can only discharge air into the high-temperature heating chamber through the separator body.

Furthermore, a waste collecting door is arranged on the high-temperature heating chamber.

Furthermore, a drainage pipeline is arranged at the bottom of the waste liquid collecting cavity.

Furthermore, a valve is arranged on the drainage pipeline.

Further, the high-temperature heating assembly is a PTC heating pipe, and the maximum heating temperature can reach 600 degrees.

Furthermore, a heat insulation layer is arranged on the inner wall of the drying chamber.

Furthermore, a gear fixing cavity is arranged outside the driving crushing gear, the first driven crushing gear and the second driven crushing gear on the waste treatment cavity.

Furthermore, the bottoms of the driving rotating shaft and the driven rotating shaft are provided with rotating supporting pieces.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme solid waste pyrolysis treatment device, in-process through elementary iron-containing waste screening conveyor at the conveying produces static, adsorb the iron article, avoid the iron article to produce the damage to reducing mechanism when smashing in the time of recycling resources, then carry out the omnidirectional with solid waste and convey to the stoving indoor, door one and the door two that open and shut open and open when the discarded object reaches certain weight, make the high temperature heating chamber be in encapsulated situation in most time, improve the treatment effeciency of discarded object widely, make the discarded object after smashing pyrolyze under high temperature heating of high temperature heating subassembly, obtain the discarded object, and simultaneously, the dust gas who produces during the processing discharges clean gas under cyclone separation effect, can not cause the influence to the environment when handling solid waste.

Drawings

FIG. 1 is a schematic view of the overall structure of a pyrolysis treatment apparatus for solid waste according to the present invention;

FIG. 2 is a schematic structural view of the primary iron-containing waste screening and conveying device of the solid waste pyrolysis treatment device of the present invention.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Wherein, 1, a primary iron-containing waste screening and conveying device, 2, a secondary all-dimensional crushing device, 3, a drying and pyrolysis device, 4, a dust-containing gas separation device, 5, a waste treatment cavity, 6, a conveyor belt, 7, a driving rotating shaft, 8, a driven rotating shaft, 9, a conveying motor, 10, a magnetic adsorption shaft, 11, a fixing part, 12, an electrostatic generator, 13, an adsorption net, 14, an adsorption gap, 15, a crushing motor, 16, a driving crushing gear, 17, a first driven crushing gear, 18, a second driven crushing gear, 19, a first crushing rotating shaft, 20, a second crushing rotating shaft, 21, a crushing and cutting shaft, 22, a cutting fixing plate, 23, a sliding through hole, 24, a pressure induction type opening and closing door, 25, a high-temperature heating assembly, 26, a drying chamber, 27, a high-temperature heating chamber, 28, a first opening and closing door, 29, a second opening and closing door, 30 and an elastic compression piece, 31. the device comprises a pressure sensor, a 32, a controller, a 33, an electromagnet, a 34, a waste liquid collecting cavity, a 35, a mixed air inlet pipe, a 36, a separator body, a 37, a cyclone component, a 38, a dust exhaust pipe, a 39, an exhaust pipe, a 40, a high-temperature gas exhaust pipe, a 41, a waste collecting door, a 42, a water exhaust pipe, a 43, a feed inlet, a 44 and a gear fixing cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model relates to a solid waste pyrolysis treatment device, which comprises a primary iron-containing waste screening and conveying device 1, a secondary all-dimensional crushing device 2, a drying and pyrolysis device 3, a dust-containing gas separation device 4 and a waste treatment chamber 5, wherein the waste treatment chamber 5 is a hollow cavity, the primary iron-containing waste screening and conveying device 1 is arranged at one side of the waste treatment chamber 5, and the secondary all-dimensional crushing device 2, the drying and pyrolysis device 3 and the dust-containing gas separation device 4 are sequentially connected from top to bottom and arranged in the waste treatment chamber 5; the primary iron-containing waste screening and conveying device 1 comprises a conveying belt 6, a driving rotating shaft 7, a driven rotating shaft 8, a conveying motor 9, magnetic adsorption shafts 10, fixing pieces 11 and an electrostatic generator 12, wherein the conveying belt 6 is rotatably sleeved on the driving rotating shaft 7 and the driven rotating shaft 8, the fixing pieces 11 are symmetrically arranged on two sides of the conveying belt 6, an output shaft of the conveying motor 9 is arranged at the center of the driving rotating shaft 7, the magnetic adsorption shafts 10 are arranged between two opposite walls of the fixing pieces 11, an adsorption net 13 is rotatably sleeved outside the magnetic adsorption shafts 10, the electrostatic generator 12 is arranged on the fixing pieces 11, a generating end of the electrostatic generator 12 is arranged on the magnetic adsorption shafts 10, and an adsorption gap 14 is arranged between the bottom of the magnetic adsorption shafts 10 and the conveying belt 6; the all-round reducing mechanism 2 of second grade includes crushing motor 15, initiative crushing gear 16, first driven crushing gear 17, second driven crushing gear 18, first crushing pivot 19, second crushing pivot 20 and smashes cutting shaft 21, the discharge gate below of conveyer belt 6 is equipped with infundibulate feed inlet 43 in 5 top one side of refuse treatment chamber, be equipped with cutting fixed plate 22 in the refuse treatment chamber 5, first crushing pivot 19 and second crushing pivot 20 are rotatable to be located between the top of refuse treatment chamber 5 and cutting fixed plate 22, first driven crushing gear 17 and second driven crushing gear 18 overlap respectively on first crushing pivot 19 and second crushing pivot 20, crushing motor 15 locates on the refuse treatment chamber 5, initiative crushing gear 16 is rotatable to be located on the top of refuse treatment chamber 5 and locate between first driven crushing gear 17 and the second driven crushing gear 18, the surfaces of the driving crushing gear 16, the first driven crushing gear 17 and the second driven crushing gear 18 are all provided with gear teeth, the driving crushing gear 16 is respectively meshed with the first driven crushing gear 17 and the second driven crushing gear 18, the crushing cutting shaft 21 is arranged perpendicular to the first crushing rotating shaft 19, the crushing cutting shaft 21 is uniformly arranged on the first crushing rotating shaft 19 and the second crushing rotating shaft 20, and the cutting fixing plate 22 is uniformly provided with through lower sliding through holes 23; the drying pyrolysis device 3 comprises a pressure induction type opening and closing door 24, a high-temperature heating assembly 25, a drying chamber 26 and a high-temperature heating chamber 27, the pressure induction type opening and closing door 24 is arranged below the cutting fixing plate 22, the drying chamber 26 is arranged between the cutting fixing plate 22 and the pressure induction type opening and closing door 24, the high-temperature heating chamber 27 is arranged below the drying chamber 26, the high-temperature heating chamber 27 is arranged between the pressure induction type opening and closing door 24 and the bottom wall of the waste treatment cavity 5, the high-temperature heating assembly 25 is arranged on the inner wall of the high-temperature heating chamber 27, the pressure induction type opening and closing door 24 comprises a first opening and closing door 28, a second opening and closing door 29, an elastic compression piece 30, a pressure sensor 31, a controller 32 and an electromagnet 33, one end of the first opening and closing door 28 and one end of the second opening and closing door 29 are respectively hinged on the side wall of the waste treatment cavity 5, an iron block is arranged on the other side of the first opening and closing door 29, an electromagnet 33 of the first opening and closing door 28 and the iron block of the second opening and closing door 29 are attracted electromagnetically, a pressure sensor 31 is arranged in the first opening and closing door 28 and the second opening and closing door 29, elastic compression pieces 30 are respectively arranged between the bottom of the first opening and closing door 28 and the side wall of the high-temperature heating chamber 27 and between the bottom of the second opening and closing door 29 and the opposite side wall of the high-temperature heating chamber 27, a controller 32 is arranged on the outer wall of the high-temperature heating chamber 27 and connected with the pressure sensor 31 and the electromagnet 33, the electromagnet 33 is electrically connected with the pressure sensor 31, a waste liquid collecting cavity 34 is arranged below the high-temperature heating chamber 27, and a filter screen is arranged between the; the dust-containing gas separation device 4 comprises a mixed air inlet pipe 35, a separator body 36, a cyclone component 37, a dust exhaust pipe 38 and an exhaust pipe 39, the separator body 36 is arranged on one side of the high-temperature heating chamber 27, the mixed air inlet pipe 35 and the exhaust pipe 39 are respectively communicated with the upper side and the lower side of the separator body 36, the other side of the mixed air inlet pipe 35 and the exhaust pipe 39 is communicated with the high-temperature heating chamber 27, the separator body 36 is a hollow cavity with the upper end being a cone, the lower end of the cylinder is the hollow cavity, the cyclone component 37 is arranged in the separator body 36, and the exhaust pipe 39 is communicated with the cyclone component 37 and.

A high-temperature gas exhaust pipe 40 is communicated between the high-temperature heating chamber 27 and the drying chamber 26, and a one-way valve I is arranged in the high-temperature gas exhaust pipe 40; the mixed air inlet pipe 35 and the dust exhaust pipe 38 are respectively provided with a one-way valve II and a one-way valve III; a waste collecting door 41 is arranged on the high-temperature heating chamber 27; a drainage pipeline 42 is arranged at the bottom of the waste liquid collecting cavity 34; a valve is arranged on the drainage pipeline 42; the high-temperature heating component 25 is a PTC heating pipe; an insulating layer is arranged on the inner wall of the drying chamber 26; a gear fixing cavity 44 is arranged outside the driving crushing gear 16, the first driven crushing gear 17 and the second driven crushing gear 18 on the waste treatment cavity 5; and rotary supporting pieces are arranged at the bottoms of the driving rotating shaft 7 and the driven rotating shaft 8.

When the device is used, firstly, solid waste to be treated is placed on the conveyor belt 6, then switches of the conveyor motor 9 and the electrostatic generator 10 are turned on, the generating end of the electrostatic generator 10 is arranged on the magnetic adsorption shaft 10, namely the magnetic adsorption shaft 10 is electrified with static electricity, the output shaft of the conveyor motor 9 rotates to drive the driving rotary shaft 7 to rotate, the driving rotary shaft 7 rotates to drive the conveyor belt 6 to rotate, the rotation of the conveyor belt 6 drives the driven rotary shaft 8 to rotate, so that the conveyor belt 6 rotates circularly, when the solid waste on the conveyor belt 6 passes through the adsorption gap 14, the adsorption net 13 is driven to rotate outside the magnetic adsorption shaft 10, in addition, iron products can be adsorbed onto the adsorption net 13 by the static electricity, and then the solid waste falls into the feed inlet 43 from the other end of the conveyor belt 6, the switches of the crushing motor 15 and the high-temperature heating assembly 25 are turned on, the high-temperature heating assembly 25 heats in the high-temperature heating chamber 27, the output shaft of the crushing motor 15 rotates to drive the driving crushing gear 16 to rotate, the driving rotating gear 16 is meshed to drive the first driven crushing gear 17 and the second driven crushing gear 18 to rotate in the same direction, the rotation of the first driven crushing gear 17 and the second driven crushing gear 18 drives the first crushing rotating shaft 19 and the second crushing rotating shaft 20 to rotate, so as to drive the crushing and cutting shaft 21 to cut in a rotating manner, so that the solid waste is crushed, the crushed waste falls into the drying chamber 26 from the gliding through holes 23 uniformly arranged on the cutting and fixing plate 22, the high-temperature gas exhaust pipe 40 is communicated between the high-temperature heating chamber 27 and the drying chamber 26, a one-way valve I is arranged in the high-temperature gas exhaust pipe 40, and the one-way valve I enables the high-temperature, the crushed waste is dried in the drying chamber 26 to remove partial moisture, after a certain weight is reached, because the pressure sensor 31 is arranged in the first opening and closing door 28 and the second opening and closing door 29, after the pressure sensor 31 detects that the weight of the waste reaches a threshold value, a signal is sent to the controller 32, the controller 32 controls the electromagnet 33 to be powered off, the first opening and closing door 28 and the second opening and closing door 29 are opened, the waste falls into the high-temperature heating chamber 27, the first opening and closing door 28 and the second opening and closing door 29 compress towards the elastic compression members 30 at two sides under the gravity of the waste, at the moment, when the weight detected by the pressure sensor 31 is smaller than the threshold value, the controller controls the electromagnet 33 to be powered on again, after the elastic compression members 30 recover elastic deformation, certain resilience force is respectively applied to the first opening and closing door 28 and the second opening and closing door 29, the high-temperature heating chamber 27 is closed, the high temperature heating component 25 is a PTC heating pipe, the highest heating temperature can reach 600 degrees, the crushed waste can form liquid oil, carbon black and other substances at the temperature of 600 degrees, the liquid oil can fall into the waste liquid collecting cavity 34 along a filter screen at the bottom of the high temperature heating chamber 27, part of gas can enter the separator body 36 from the mixing gas inlet pipe 35 in the heating process, the cyclone sub-component 37 operates to generate centrifugal action in the separator body 36, most of the rotating gas flow spirally flows downwards from the cylinder body to the cone body along the inner wall of the separator body 36, in addition, the particle dust is thrown to the inner wall of the separator body 36 under the action of the centrifugal force, once the dust contacts with the inner wall of the separator body 36, the inertia force is lost, the dust falls into the dust exhaust pipe 38 along the wall surface by the downward axial speed near the inner wall of the separator body 36, and the part of the dust gas returns to the high temperature heating chamber 27 again through the dust exhaust pipe 38, the rotating descending outward swirling air flow continuously flows into the central part of the separator body 36 in the descending process to form centripetal radial air flow, the air flow forms upward rotating inward swirling flow, the clean air is discharged outwards through the exhaust pipe 39 along with the inner diameter flow, and finally the waste collection door 41 and the drainage pipe 42 are opened to collect solid carbon and other solids and liquid oil and other liquids respectively.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A solid waste pyrolysis treatment device is characterized in that: the device comprises a primary iron-containing waste screening and conveying device, a secondary omnibearing crushing device, a drying and pyrolyzing device, a dust-containing gas separating device and a waste treatment cavity, wherein the waste treatment cavity is arranged in a hollow cavity; the primary iron-containing waste screening and conveying device comprises a conveying belt, a driving rotating shaft, a driven rotating shaft, a conveying motor, a magnetic adsorption shaft, a fixing piece and an electrostatic generator, wherein the conveying belt is rotatably sleeved on the driving rotating shaft and the driven rotating shaft, the fixing piece is symmetrically arranged on two sides of the conveying belt, an output shaft of the conveying motor is arranged at the center of the driving rotating shaft, the magnetic adsorption shaft is arranged between two opposite walls of the fixing piece, an adsorption net is rotatably sleeved outside the magnetic adsorption shaft, the electrostatic generator is arranged on the fixing piece, a generating end of the electrostatic generator is arranged on the magnetic adsorption shaft, and an adsorption gap is formed between the bottom of the magnetic adsorption shaft and the conveying belt; the all-round reducing mechanism of second grade is including smashing motor, initiative crushing gear, first driven crushing gear, the driven crushing gear of second, first crushing pivot, the crushing pivot of second and smashing the cutting axle, waste treatment chamber top one side is equipped with the feed inlet of infundibulate below the discharge gate of conveyer belt, be equipped with the cutting fixed plate in the waste treatment chamber, first crushing pivot and the rotatable top of locating waste treatment chamber of second smash the pivot and between the cutting fixed plate, first driven crushing gear and the driven crushing gear of second overlap respectively and locate first crushing pivot and the crushing pivot of second, crushing motor locates on the waste treatment chamber, initiative crushing gear is rotatable to be located on the top of waste treatment chamber and locates between first driven crushing gear and the driven crushing gear of second, initiative crushing gear, second crushing gear is rotatory, The surfaces of the first driven crushing gear and the second driven crushing gear are provided with gear teeth, the driving crushing gear is respectively meshed with the first driven crushing gear and the second driven crushing gear, the crushing cutting shaft is arranged perpendicular to the first crushing rotating shaft, the crushing cutting shafts are uniformly arranged on the first crushing rotating shaft and the second crushing rotating shaft, and the cutting fixing plate is uniformly provided with through downward sliding through holes; the drying and pyrolyzing device comprises a pressure induction type opening and closing door, a high-temperature heating assembly, a drying chamber and a high-temperature heating chamber, wherein the pressure induction type opening and closing door is arranged below a cutting fixed plate, the drying chamber is arranged between the cutting fixed plate and the pressure induction type opening and closing door, the high-temperature heating chamber is arranged below the drying chamber, the high-temperature heating chamber is arranged between the pressure induction type opening and closing door and the bottom wall of a waste treatment cavity, the high-temperature heating assembly is arranged on the inner wall of the high-temperature heating chamber, the pressure induction type opening and closing door comprises a first opening and closing door, a second opening and closing door, an elastic compression piece, a pressure sensor, a controller and an electromagnet, one end of the first opening and closing door and one end of the second opening and closing door are respectively hinged on the side wall of the waste treatment cavity, the electromagnet is arranged on the other side of the first opening and closing door, an iron block is arranged on the other side, the pressure sensor is arranged in the first opening and closing door and the second opening and closing door, the elastic compression pieces are respectively arranged between the bottom of the first opening and closing door and the side wall of the high-temperature heating chamber and between the bottom of the second opening and closing door and the opposite side wall of the high-temperature heating chamber, the controller is arranged on the outer wall of the high-temperature heating chamber and is connected with the pressure sensor and the electromagnet, the electromagnet is electrically connected with the pressure sensor, the waste liquid collecting cavity is arranged below the high-temperature heating chamber, and a filter screen is arranged between the high-temperature heating chamber and the waste liquid collecting cavity; the dust-containing gas separation device comprises a mixed air inlet pipe, a separator body, a cyclone component, a dust exhaust pipe and an exhaust pipe, wherein the separator body is arranged on one side of a high-temperature heating chamber, the mixed air inlet pipe and the exhaust pipe are respectively communicated with the upper side and the lower side of the separator body, the other side of the mixed air inlet pipe and the exhaust pipe is communicated with the high-temperature heating chamber, the separator body is a hollow cavity with the upper end being a cylinder and the lower end being a cone, the cyclone component is arranged in the separator body, and the exhaust pipe is communicated with the cyclone component and is arranged at the.

2. The pyrolysis treatment device for solid waste according to claim 1, wherein: and a high-temperature gas exhaust pipe is communicated between the high-temperature heating chamber and the drying chamber, and a one-way valve I is arranged in the high-temperature gas exhaust pipe.

3. The pyrolysis treatment device for solid waste according to claim 1, wherein: and the mixed air inlet pipe and the dust exhaust pipe are respectively provided with a one-way valve II and a one-way valve III.

4. The pyrolysis treatment device for solid waste according to claim 1, wherein: and a waste collecting door is arranged on the high-temperature heating chamber.

5. The pyrolysis treatment device for solid waste according to claim 1, wherein: and a drainage pipeline is arranged at the bottom of the waste liquid collecting cavity.

6. The pyrolysis treatment device for solid waste according to claim 5, wherein: and a valve is arranged on the drainage pipeline.

7. The pyrolysis treatment device for solid waste according to claim 1, wherein: the high-temperature heating assembly is a PTC heating pipe.

8. The pyrolysis treatment device for solid waste according to claim 1, wherein: and the inner wall of the drying chamber is provided with a heat-insulating layer.

9. The pyrolysis treatment device for solid waste according to claim 1, wherein: and a gear fixing cavity is arranged outside the driving crushing gear, the first driven crushing gear and the second driven crushing gear on the waste treatment cavity.

10. The pyrolysis treatment device for solid waste according to claim 1, wherein: and rotary supporting pieces are arranged at the bottoms of the driving rotating shaft and the driven rotating shaft.